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Perform as indicated. Show the step by step solution. 1. A study was made by a pharmacist to determine the relation between weekly deliveries and

Perform as indicated. Show the step by step solution. 1. A study was made by a pharmacist to determine the relation between weekly deliveries and sales. The following data were recorded: Weekly Deliveries Sales (P)in th 20 420 50 560 40 525 25 480 50 51 0 (a) Plot a scatter diagram. (b) Find the equation of the regression line to predict weekly sales from deliveries (0) Estimate the weekly sales when deliveries are 35

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